Estranged, the story of a lone fisherman, stranded on a mysterious island during a violent storm.
Explore rich environments and meet the curious inhabitants of the island as you find a way back to the mainland.

I think there still there, their just not set to compile, either include them to the project or get the Source SDK 2013 code and take the npc_zombine.cpp or whatever NPC it is and add them back into the project.